And Doppler radars spend most of their time listening for returns. According to the NWS, for every hour of operation, a radar may spend as little as seven seconds sending out pulses.

MAPS: Track Doppler radar and traffic for California rain and snow. ... Keeping informed when you've lost power and cellphone service: How to find a National Weather Service radio station near you.

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Using that data from Green Bay and all the other doppler radars operated by the NWS, you can actually watch the migration at websites like BirdCast. But sifting through the data is tricky.

These two images show how dual-polarization helps NWS forecasters detect a tornado that is producing damage. The left image shows how the Doppler radar can detect rotation.

MAPS: Track Doppler radar and traffic for California rain and snow Follow the storms with interactive radar and see the latest traffic conditions. Updated: 6:53 AM PDT Apr 26, 2025 ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Outside every National Weather Service (NWS) office around the U.S. stands what looks like an enormous white soccer ball, perched atop metal scaffolding several stories high. The national network ...